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Topic: Ion pump

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Turbomolecular pump

Diffusion pump

Vacuum pump

Ionization

Vacuum

Cold cathode

Cold trap

Magnetic field

Noble gas

Atmospheric pressure

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	Ion pump -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-20)
		Sputter ion pumps are a class of (A pump that moves air in or out of something) vacuum pump designed to operate in very low pressure (i.e.
		Pumping of heavy (Any of the chemically inert gaseous elements of the helium group in the periodic table) noble gases by (A particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons) ion burial.
		Burial is the basic means of pumping heavy (Any of the chemically inert gaseous elements of the helium group in the periodic table) noble gases.
	www.absoluteastronomy.com /encyclopedia/i/io/ion_pump.htm (343 words)

	AllRefer.com - vacuum (Physics) - Encyclopedia
		In the rotary oil-sealed pump a rotor turning in a cylinder allows gas to enter through an inlet valve from a space to be evacuated and then pushes it through an outlet valve into the atmosphere.
		In the oil or mercury diffusion pump, gas enters the pump through an inlet and is then swept toward an outlet by heavy, fast-moving oil or mercury vapor molecules.
		An ion pump consists of a chamber containing a source of electrons that are used to bombard gas molecules from a container to be evacuated.
	reference.allrefer.com /encyclopedia/V/vacuum.html (462 words)

	Flagella - EvoWiki (Site not responding. Last check: 2007-10-20)
		The bacterial flagellum is driven by a rotary engine composed of protein, located at the flagellum's anchor point on the inner cell membrane.
		The engine is powered by proton motive force, i.e., by the flow of protons across the bacterial cell membrane due to a concentration gradient set up by the cell's metabolism (in Vibrio species the motor is a sodium ion pump, rather than a proton pump).
		ions (or occasionally Na ions); archaeal flagella are almost certainly powered by ATP.
	www.evowiki.org /index.php/Flagellum (1123 words)

	Sweepers 98 (Site not responding. Last check: 2007-10-20)
		Frequently used in the following combinations: vacuum pump, vacuum pumps, moroso vacuum 1.
		vacuum pump - a pump that moves air in ion pump - a vacuum pump that removes gas by ionizing
		Easy-to-carry pump requires no lubricator and provides oilfree power for high flow and vacuum.
	www.cleaner-vacuum-cleaners.com /search/sweepers-98.html (560 words)

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